Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Poecilia: Greek, poikilos = with a lot of colours (Ref. 45335).
Eponymy: Alessandra Sarraf Pereira was a Brazilian ichthyologist at the Biological Institute of the Federal University of Rio de Janeiro. [...] (Ref. 128868), visit book page.
More on authors: Bragança & Costa.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
; eau douce pélagique. Tropical
South America: Parnaíba and Mearim river basins in northeastern Brazil.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Hypothesized to be closely related to Poecilia. branneri and P. minima by sharing eight apomorphic conditions: teeth of the external rows of dentary and premaxilla conical; 5-7 teeth on the external rows of dentary and premaxilla; vomer process not longitudinally elongated; tip of gonopodial rays 3 and 4a ankylosed; dorsal fin with 8 rays in males and 7 rays in females; penultimate dorsal-fin ray of male elongated; presence of a black blotch on the posterior portion of the caudal peduncle in both sexes; middle portion of flank with vertical pale gray bars in males. Distinguished from all of its congeners by the presence of a round or slightly vertically elongated post humeral blotch (vs. slightly ventrally dislocated post humeral blotch in P. minima, vertically elongated post humeral blotch in P. parae, P. bifurca and P. picta and post-humeral blotch absent in P. branneri) (Ref. 86528).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Bragança, P.H.N. and W.J.E.M. Costa, 2010. Poecilia sarrafae, a new poeciliid from the Parnaíba and Mearim river basins, northeastern Brazil (Cyprinodontiformes: Cyprinodontoidei). Ichthyol. Explor. Freshwat. 21(4):369-376. (Ref. 86528)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00564 - 0.03080), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 2.6 ±0.3 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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